i dont know how to higher the pressure on my sime boiler?

how can i higher the pressure on my sime boiler. Ive been told turn the valve left. But which valve???

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sime format 80b ?

rattle from pump when central heating on sounds like air trapped in pump changed automatic air valve on pump made no difference I dont think is pump faulty cost of new pump very expen ... more

how do i know the time is right on my boiler?

i am trying to set my boiler to timer, which i know how to do, however i do not know what time i set is the right time for that time of day. how would i know if the time i set is for the after noon o ... more

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sime boiler?

my pilot light won't ignite when i turn my heating on it comes on then knocks off because there is no flame

My SIME stop working?

My Sime Heater stop working this morning the green light is beeping

need to hook up two zone circulators on my sime ,need wire diagram?

i have a sime format.zip and need to wirte it up for heat .i have two zone cerculators and need wire diagraqm

Sime swithes itself off/on all the time?

on either c/h or hot water my Sime just flashes up then switches off constantly.....consequently only luke warm water and c/h that never reaches temp

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Burner on Sime Friendly Format 80E switches off?

Hi and help. My friendly format 80E is not so friendly, The burner in central heating mode will just switch of the gas to the burner, but all the other items, ie fan and pump still run.This will happ ... more

i have a sime combi boiler?

hi my plumber tried to fix my boiler, it had a flashing orange light but now it has a permenant red light, can you help got no hot water and no heating, with 3 kids :(

Red flashing light?

My sime E comfort boiler stops working about 5 minutes after the heating comes on and the red light starts to flash after switching it off at the mains and on again a few times it works ok

How to fix fault with my Sime 30HE boiler keeps cutting out?

The boiler runs ok for a couple of days then wont heat the water. Green light flashes, reset the boiler by switching on and off and it works again but sometimes it needs to be switched on and off 2 or ... more

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How to relight My boiler?

My sime boiler super 105 mk11 wont light And i have no hot water or central heating.

how can i fix my sime ecomfort HE?

when the boiler is switched on the green light flashes, tried to reset by turning off at the mains, turn back on get red flashing light

SIME friendly 80c combi- DHW- in shower - hot for 3 mins cold for 10 secs?

My SIME 80c combi- the shower goes for 3 mins hot then goes cold for aprox 10 secs this pattern continues ... Please advise.

no hot water?

sime super 120 combi boiler domestic water does not heat up, but rads get hot when hot tap is turned on, can anyone give me a clue please.

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Sime Format C?

I was having a shower, then smoke came from the boiler, it was really smelly

SIME Combi boiler?

How do I Change the expansion vessal on a Sime Combi Boiler

Have an intermittent problem on a Sime 100 boiler?

Have an intermittent fault on a Sime100 boiler. Sometimes works fine other times does not work at all for hot water of CH. When not working for either HW or CH or both demands I can see the spark at ... more

sime super 90 plus hot water issue?

when i turn hot water tap on no hot water, heating works no problem, can get hot water if i knock the fan then it turns on can anyone help me solve this issue kind regards chris

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Overflow leak?

Combi Boiler Sime 102 Overflow pipe is leaking water in small drips even though central heating is switched off

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